Those little bitty o-rings on the fuel lines

[87LtdT]

at the front of the engine....Bob

 

[jstahl]

:wink:

 

[TurboToy]

any autoparts store will have them they are the same for lots ov vehicles.

turbotoy

 

[Turbo Steve]

just found some at Advance Auto their green colored and for fuel injection

 

[MSDGN]

Go to your local GM dealer:

Fuel Line ‘O’ Rings (Return Line) 22516256
(Feed Line) 22514722

...get extras...you'll need them...